1.oxidize v.氧化，生锈(to unite with oxygen in burning or rusting)

词根记忆：oxid(氧化物)+ize--氧化

例:He found that when the iron in ilmenites is highly oxidized, conditions in the magma were probably conducive to the formation of diamonds.

派生词：oxidizable (a．可氧化的)

2.ozone n．臭氧

联想记忆：o（氧的化学符号）+zone(地带)--氧气地带--臭氧

例：ozone layer臭氧层

3.pacemaker n．领跑者(a leader in a field)

分拆记忆：pace(速度)+maker(制造者)--领跑者

例：Commuter diatoms have an internal pacemaker to keep time with the tide.

4.pact n．合同，条约(compact)

例：The warring countries signed a pact to end the war.

5.pad n．便笺本(tablet)；衬垫(a thin flat mat or cushion)；v.填补(to expand or increase especially with needless, misleading, or fraudulent matter)

例：writing pads便笺纸

6.pagination n.编页码，标注页码(the system by which pages are numbered)

词根记忆：pag(页)+ination--标注页码

例：The technical term "pagination" is a process that leaves editors assemble the page images.

7.painstaking a．辛勤的；费力的(taking pains)

词根记忆：pains(劳苦)+taking(接受)-+辛勤的

例：This intuition is not arbitrary or irrational, but is based on years of painstaking practice.

派生词：painstakingly( ad.煞费苦心地)

8.palatable a．美味的(tasty)；受欢迎的(agreeable to the mind)

词根记忆：来自palate(n．味觉)

例：His words might prove palatable to his audience.

派生词：palatability(n.美味，口感)

9.paleoclimatologist n．古气候学家(a scientist dealing with the climate of past ages)

例：During the last ice age, cooler weather led to lower lake levels than paleoclimatologist’s had previously assumed.

同根词：paleontologist(n．古生物学家)